Mattress cover



FIG. 1 is a perspective view of a mattress cover design;

FIG. 2 is a front elevational view of the mattress cover design of FIG. 1;

FIG. 3 is a rear elevational view of the mattress cover design of FIG. 1;

FIG. 4 is a right side elevational view of the mattress cover design of FIG. 1;

FIG. 5 is a left side elevational view of the mattress cover design of FIG. 1;

FIG. 6 is a top view of the mattress cover design of FIG. 1; and,

FIG. 7 is a bottom view of the mattress cover design of FIG. 1.

The broken lines shown in the drawings are included for the purpose of illustrating unclaimed portions of the mattress cover and form no part of the claimed design. 

CLAIM The ornamental design for a mattress cover, as shown and described. 